Pascal at Brain4Home used to sell them on boards and although they are
no longer available the documentation for them is all on the "Downloads"
tab of his website. I based mine around the "TinyBoard", see here:
http://www.brain4home.eu/downloads/BAE0910-tiny-board-usermanual.pdf
I built the first three on stripboard and then did a proper PCB for the
fourth one which is essentially the same schematic as a "TinyBoard" but
with extra connectors: http://www.idlers.org/BAE0910board.jpg
Paul
On 19/10/2016 21:06, Peter Hollenbeck wrote:
"built four of them onto boards" ...
Breadboards?
Do you have a schematic for connecting to a 1wire network?
I can program but am an electronics moron.
Thanks,
Peter
On Wed, Oct 19, 2016 at 10:26 AM, Paul Everett <rep...@repton.org
<mailto:rep...@repton.org>> wrote:
I have a load of these and have built four of them onto boards
which are counting the flashes of the LED on the four electricity
meters I have here (import, export and two solar PV systems). They
work very well.
Paul Everett
On 19 Oct 2016, at 18:16, Nigel Titley <ni...@homechip.com
<mailto:ni...@homechip.com>> wrote:
There's also this
http://www.brain4home.eu/node/4 <http://www.brain4home.eu/node/4>
which would seem to be perfect for the job, but I've been
completely unable to get any response from Pascal either to
requests for pin-out information or to requests to buy it
(Pascal, if you are listening to this list, please get back to me)
Nigel
On 19/10/16 02:59, Andrew Errington wrote:
The DS2423 is discontinued and hard to find these days.
I built this, which is a DS2423 implemented on an ATtiny:
https://www.tm3d.de/index.php/1-wire-device-mit-avr
<https://www.tm3d.de/index.php/1-wire-device-mit-avr>
It works, but the address is hard-coded. There is a utility to
generate new addresses if you will have more than one in your
network.
I also changed the fuse settings to lower the brownout detection
voltage as I was running it at 3.3V, not 5V.
I used it on a Raspberry Pi 3. It didn't work with the native
w1_ds2423 module, but it did work with OWFS using the w1 driver.
HTH,
Andrew
On 19 October 2016 at 10:36, Peter Hollenbeck <pwhb...@gmail.com
<mailto:pwhb...@gmail.com>> wrote:
Thanks. I'll work on it.
On Tue, Oct 18, 2016 at 3:59 PM, Jan Kandziora <j...@gmx.de
<mailto:j...@gmx.de>> wrote:
Am 19.10.2016 um 00:33 schrieb Peter Hollenbeck:
> I would like to count revolutions of an anemometer,
perhaps this one:
>
http://www.inspeed.com/anemometers/vortex_wind_sensor.asp
<http://www.inspeed.com/anemometers/vortex_wind_sensor.asp>
>
> I would appreciate suggestion on how to implement a
counter.
>
You could use the DS2423, or some of the homebrewn
DS2423 replacements
out there. As it has a reed switch, you need some
debouncing on the input:
^ +5V
|
10kΩ
|
.-----+-------> DS2423 input
| |
o |
\ 100nF
\ |
o |
| |
=== === GND
These values give you ~1ms, which should be enough to
debounce the
switch and which is fast enough for 500Hz (== 1250mph
for this anemometer.)
Kind regards
Jan
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